{"id":"7215374a-de4f-4b33-8ba5-70804c9251d3","title":"Bitbucket Unauthorized Access To A Resource","description":"Detects unauthorized access attempts to a resource.","author":"Muhammad Faisal (@faisalusuf)","status":"test","level":"critical","date":"2024-02-25","modified":"","tags":["attack.resource-development","attack.t1586"],"technique_ids":["T1586"],"logsource":{"product":"bitbucket","service":"audit","definition":"Requirements: \"Advance\" log level is required to receive these audit events."},"falsepositives":["Access attempts to non-existent repositories or due to outdated plugins. Usually \"Anonymous\" user is reported in the \"author.name\" field in most cases."],"references":["https://confluence.atlassian.com/bitbucketserver/audit-log-events-776640423.html"],"source_path":"rules/application/bitbucket/audit/bitbucket_audit_unauthorized_access_detected.yml","source_sha256":"2e816d0766963ffe9f72ae84b3b29a25a252555cf68ebd81469e8c1b6d5e6051","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/application/bitbucket/audit/bitbucket_audit_unauthorized_access_detected.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Bitbucket Unauthorized Access To A Resource\nid: 7215374a-de4f-4b33-8ba5-70804c9251d3\nstatus: test\ndescription: Detects unauthorized access attempts to a resource.\nreferences:\n    - https://confluence.atlassian.com/bitbucketserver/audit-log-events-776640423.html\nauthor: Muhammad Faisal (@faisalusuf)\ndate: 2024-02-25\ntags:\n    - attack.resource-development\n    - attack.t1586\nlogsource:\n    product: bitbucket\n    service: audit\n    definition: 'Requirements: \"Advance\" log level is required to receive these audit events.'\ndetection:\n    selection:\n        auditType.category: 'Security'\n        auditType.action: 'Unauthorized access to a resource'\n    condition: selection\nfalsepositives:\n    - Access attempts to non-existent repositories or due to outdated plugins. Usually \"Anonymous\" user is reported in the \"author.name\" field in most cases.\nlevel: critical\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1586","id":"T1586","name":"Compromise Accounts","page":"techniques/enterprise/T1586/"}],"data_path":"data/detection-rules/7215374a-de4f-4b33-8ba5-70804c9251d3.json","kind":"sigma"}